Ball Hone Material Removal
The flex hone tool is available in a variety of abrasive types and grit selections to provide the optimum surface finish on any base material.
Ball hone material removal. The ball hone tool is great if you are only trying to freshen a cylinder prior to re ringing because it is not a material removal tool. The ball hones job is to create a consistent cross hatch on the bore surface so the oil has something to cling to. A long lasting diamond abrasive is embedded in balls at the ends of flexible spindles that press against the inside of a cylinder to remove material and leave a smooth even finish. A flex hone also known as a flex cylinder hone is a spindle mounted finishing tool with embedded abrasives that remove material through rapid scrubbing against the workpiece.
The conclusion the easy to use ball hone is friendly on the port edges of their two stroke engines it is important to understand why each tool is used and the benefits and drawbacks to using either of them. The 3 finger brake caliper type hone is meant for material removal. The flex hone and ball hone are both trademarked names for our tools. Brush research flex hone cylinder hone bc series silicon carbide abrasive 2 1 2 64 mm diameter 240 grit size 4 7 out of 5 stars 266 20 97 20.
These hones are slightly oversized to maximize contact with the work surface. The flex hone also known as the cylinder ball hone is commonly used to reduce ra rk and rpk values while maintaining rvk and vo volume for oil retention. Use with portable drills drill presses and cnc machines. As far as how much stock removal on a hone i ve got an d sunnen hone with the attachments for redoing engine bores.
Colloquially some people also refer to the tool as a dingleberry hone grape hone bead hone bottle brush hone glaze buster breaker hone or flexible hone but we do our best to dissuade the usage. Application for the flex hone tool is burr removal from cross drilled holes and slots. When your cylinder id falls between two sizes order the larger hone. We market the tool under the name flex hone but a common name is ball hone.
1930 s however a sunnen hone machine like you see in a machine shop i d think a couple of thousandth is a more typical envelope.